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Finding the Fourth Proportional to 7,826.25, 10,800.24 and 4,241.22

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Solution

The fourth proportional to 7,826.25, 10,800.24 and 4,241.22 is: 5,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.25 : 10,800.24 = 4,241.22 : x
  2. Step 2: Convert to fraction form
    7,826.25/10,800.24 = 4,241.22/x
  3. Step 3: Cross multiply
    7,826.25x = 10,800.24 × 4,241.22
  4. Step 4: Simplify right side
    7,826.25x = 45,806,193.89
  5. Step 5: Solve for x
    x = 45,806,193.89/7,826.25
  6. Step 6: Final answer
    x = 5,852.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.